Home / 929,378.30-1,394,101.78-255,512.27

Finding the Fourth Proportional to 929,378.30, 1,394,101.78 and 255,512.27

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Solution

The fourth proportional to 929,378.30, 1,394,101.78 and 255,512.27 is: 383,277.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,378.30 : 1,394,101.78 = 255,512.27 : x
  2. Step 2: Convert to fraction form
    929,378.30/1,394,101.78 = 255,512.27/x
  3. Step 3: Cross multiply
    929,378.30x = 1,394,101.78 × 255,512.27
  4. Step 4: Simplify right side
    929,378.30x = 356,210,102,170.77
  5. Step 5: Solve for x
    x = 356,210,102,170.77/929,378.30
  6. Step 6: Final answer
    x = 383,277.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.